Quick answers
- Is CVE-2026-18177 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-18177 being exploited in the wild.
- How severe is CVE-2026-18177?
- High severity, with a CVSS score of 7.1, published 23 September 2026.
- Which products and versions are affected?
- IBM Financial Transaction Manager <UNKNOWN>.
- Is there a fix for CVE-2026-18177?
- No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
- How is CVE-2026-18177 attacked?
- It is attacked from the adjacent network, in a hosted service.
- Am I affected by CVE-2026-18177?
- Check whether you run IBM Financial Transaction Manager at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Technical details
The vulnerability is a missing authorization check (CWE-862) in payment processing endpoints that allows remote attackers to execute payment actions without proper privilege validation. The attack requires adjacent network access but no authentication or user interaction. An attacker gains the ability to initiate, modify, or complete financial transactions on behalf of legitimate users.
Affected products
- IBM Financial Transaction Manager <UNKNOWN>
Timeline
- 2026-09-23: disclosed